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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::io;
use std::mem;
use std::net::{TcpListener, TcpStream, UdpSocket};
use std::os::unix::io::FromRawFd;
use libc::{self, c_int};
mod impls;
pub mod c {
pub use libc::*;
pub fn sockaddr_in_u32(sa: &sockaddr_in) -> u32 {
::ntoh((*sa).sin_addr.s_addr)
}
pub fn in_addr_to_u32(addr: &in_addr) -> u32 {
::ntoh(addr.s_addr)
}
}
pub struct Socket {
fd: c_int,
}
impl Socket {
pub fn new(family: c_int, ty: c_int) -> io::Result<Socket> {
unsafe {
let fd = ::cvt(libc::socket(family, ty, 0))?;
let mut flags = ::cvt(libc::fcntl(fd, libc::F_GETFD))?;
flags |= libc::O_CLOEXEC;
::cvt(libc::fcntl(fd, libc::F_SETFD, flags))?;
Ok(Socket { fd: fd })
}
}
pub fn raw(&self) -> c_int { self.fd }
fn into_fd(self) -> c_int {
let fd = self.fd;
mem::forget(self);
fd
}
pub fn into_tcp_listener(self) -> TcpListener {
unsafe { TcpListener::from_raw_fd(self.into_fd() as usize) }
}
pub fn into_tcp_stream(self) -> TcpStream {
unsafe { TcpStream::from_raw_fd(self.into_fd() as usize) }
}
pub fn into_udp_socket(self) -> UdpSocket {
unsafe { UdpSocket::from_raw_fd(self.into_fd() as usize) }
}
}
impl ::FromInner for Socket {
type Inner = usize;
fn from_inner(fd: usize) -> Socket {
Socket { fd: fd as c_int }
}
}
impl Drop for Socket {
fn drop(&mut self) {
unsafe {
let _ = libc::close(self.fd);
}
}
}
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